Automatic control apparatus



Feb. 4, 1964 J. E. JONES AUTOMATIC CONTROL APPARATUS 34 Sheets-Sheet 1 Fil ed March 7, 1962 JOHN E. JONES INVENT OR.

ATTORNEY Feb. 4, 1964 AUTOMATIC File-d March 7, 1962 E. JONES CONTROL APPARATUS 34 Sheets-Sheet 2 Feb. 4, 1964 J. E. JONES AUTOMATIC CONTROL APPARATUS 34 Sheets-Sheet 5 Filed March 7, 1962 FIG.4E

(NOT ALLOWED) o FIG.4B

NORMAL STATE FOR OPERATION WITH TRIGGER INPUTS STEERING ELECTRONIC RESET RESET TRIGGER NO CHAN G E FIG.4D

OUTPUT SET TRIGGER ELECTRONIC SET ELECTRONIC SET TO 0 STATE ELECTRONIC SET TO I STATE HOLDS BO OUTPUTS o {a I II FIG 4G O LEVELS OUTPUT FIG.4A

Feb. 4, 1964 J. E. JONES 3,120,603

\ AUTOMATIC CONTROL APPARATUS Filed March .7, 1962 34 Sheets-Sheet 6 INPUTS OUTPUTS c o A PULSE MAY BE MAYBE PRESE EITHER OR AB m o ORI I,

o o '5 '5 6', 6 o o o o v o o g o o o o E a: O O u E o o c 0 sn TRIGGER REsET TRIGGER sET sTEERmG REsET sTEERmG ELECTRONIC sET ELECTRONIC REsET OUTPUT OUTPUT J. E. JONES AUTOMATIC CONTROL APPARATUS Feb. 4, 1964 34 Sheets-Sheet 7 Filed March 7, 1962 uOEmm O whkmomuu 454242 0: o: ow om :oxuze: u

000 00v CON 8- mON nu KEN wo $5.60 uuzmmmuwm J. E. JONES AUTOMATIC CONTROL APPARATUS Feb. 4; 1964 54 Sheets-Sheet 8 Filed March 7, 1962 mmn z o z w x w mx o z u ow 0N Feb. 4, 1964 J. E. JONES 0,6 3

AUTOMATIC CONTROL APPARATUS Filed March 7, 1962 54 Sheets-Sheet 9 TRANSFER RESET "Tb e l a FIG.5C m P If Feb. 4, 1964 J. E. JONES V AUTOMATIC CONTROL APPARATUS Filed March '7, 1962 IO 20 4O 80 230 GHGHGHGH IO 20 4O 8O GHGHGHGH 34 Sheets-Sheet 10 IO 20 4O 5O GHGHGHGH 2 4 8 HGHGHG H FIG.5D

Feb. 4, 1964 J. E. JONES 3,120,603

' AUTOMATIC CONTROL APPARATUS Filed March 7, 1962 34 Sheets-Sheet 11 FROM MANUAL FEEDRATE OVERRIDE 52 Feb. 4, 1964 J. E. JONES AUTOMATIC CONTROL APPARATUS 34 Sheets-Sheet 15 Filed March 7, 1962 o E I LJL JL 5 A: C 5 JL E i JIL JIL U I 5 JL 5 C H IE. 1E 1E Hvmw N it E nmm IE HNmN 5w mhdl Feb. 4,, J. E. JONES AUTOMATIC CONTROL APPARATUS Filed March 7', L962 m A4 533 v Nu.

Feb. 4; 1964 J. E. JONES 3,120,603

AUTOMATIC CONTROL APPARATUS Filed March 7, 1962 34 sheets-sheet 20 l I II II 2m FROM 50 FLIP-FLOP 2m 2m DECADE 20s FROM "50"FLlP-'FLOP 2m DECADE 20s 1 34 :35

FIG. l3 

1. APPARATUS FOR AUTOMATICALLY COMPENSATING FOR THE EFFECT ON A WORK PIECE OF THE THICKNESS OF A CUTTING ELEMENT, OR FOR CHANGES IN SAID THICKNESS, USED IN A NUMERICAL CONTOURING CONTROL SYSTEM CAPABLE OF EXECUTING BOTH LINEAR AND CIRCULAR INTERPOLATION, COMPRISING: FIRST PULSE GENERATING MEANS FOR GENERATING A FIRST PULSE TRAIN WHOSE PULSE RATE IS DIRECTLY PROPORTIONAL TO THE DESIRED RESULTANT TRANSLATIONAL VELOCITY OF SAID CUTTING ELEMENT RELATIVE TO SAID WORK PIECE FOR THE ARCUATE CUT THEN BEING EXECUTED; SECOND PULSE GENERATING MEANS FOR GENERATING A SECOND PULSE TRAIN WHOSE PULSE RATE IS INDEPENDENT OF SAID DESIRED RESULTANT TRANSLATIONAL VELOCITY; A ROTATABLE UTILIZATION DEVICE; AND CONTROL CIRCUIT MEANS RESPONSIVE TO SAID FIRST AND SECOND PULSE TRAINS AND COUPLED TO SAID ROTATABLE UTILIZATION DEVICE FOR ROTATING SAID UTILIZATION DEVICE AT AN ANGULAR RATE DIRECTLY PROPORTIONAL TO SAID FIRST OR SECOND PULSE TRAIN''S PULSE RATE. 